ccccc cecum ceere cefcu cemec cemre cerc- cerce cerec cerer cerke cerre cfu-e cmere crece creek creem creer creke creme creu- creue cruce cruck crufe cruke crume crure cucuk cufeu cuffe cufre cuker cumec cumm- curce curer curre ecker ecume eecke eeeee efere effer efrem efuru ekker ekmek ekrem ekuku ekuru emcee emeer emere emerk emmer emure erem- erere erkec eruke eucre eum-u eurre feeme feere femme femur ferce ferme ferr- ferre feuer freck freek freer freke freme fremm frere freur frume fu-fu fumee fumer furme k-mer kecer keefe keere kefee kekec kekem kemer kemme kerek kerem kerre kreef kreek kreke kreme kreuk krufc krumm kucer kucuk kukec kukur kumeu kumru kumuk kurek kurem kurku kurre kuruc kuruk mccue mcfee mckee mcree mecum meece meefe meemu meere meker memer merce merck merer merke merre merur meuer meure mmccc mmmcc mmmmm mreru mucke mucum mucur muffe muker mukke mukur mumcu mumme mummu murck mureu murre murru muruk murum recce recke recue recur reece reefe reeme reere refer reffe refme rekem rekke remee remer remue remuf rere- reree rerum reuer reume rucer ruere ruffe rufkm rukke rumer rummu rurec u-cee uceku ufere ukeke umeer umeme ureme urker uruce urucu uuuuu